Jacob / Wolf
Jacob's Father
Jacob's Mother
Cecile / Wildcat
Judith / Parrot
Louise / Horse
Jeremy / Squirrel
Dr. Angeli
Rufus / German Shepherd
Ivan / Duck
Ola / Spider
Almost Out
Annalisa / Panda
Dr. Mann / The Zookeeper
Squirrel's Mother
Dr. Sullivan
Lion Man
German Shepherd's Mother
Animal Thrower
Assistant
Rock (uncredited)